Portable audio device



FIG. 1 is a front perspective view of a portable audio device showingour new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view thereof, shown in closed condition.

CLAIM The ornamental design for a portable audio device, as shown anddescribed.